Builds and signs XML messages for PIX DICT (Directory of Transaction Identifiers). DICT is the centralized directory that maps PIX keys (CPF, CNPJ, email, phone, EVP) to bank account information.
Inputs
Tab: Build & Sign a DICT message or Verify an existing signed message.
Private Key: ECDSA private key (hex) for signing the DICT message.
ISPB: ISPB code of the requesting institution (8 digits).
Operation: The DICT operation type.
Key Type: The type of PIX key.
Key Value: The PIX key value corresponding to the key type.
Tips
DICT operations are signed with ECDSA P-256, similar to STR messages.
EVP (Endereço Virtual de Pagamento) is a random UUID-based PIX key.
CPF and CNPJ keys must match the account holder's registration.
Standards: BCB DICT Specification, BCB Manual de Segurança do SFN